This step is shown only if an existing GNU/Linux partition is found on your machine. installation classDrakX now needs to know if you want to install from scratch or upgrade your existing Mageia system: Upgrade. upgradeIf you have an older Mageia operating system, this option allows you to upgrade it. Your existing partitioning scheme and user data won't be altered. Most of the other configuration steps remain available and are similar to a standard installation. Install. Use this option for everything except upgrading an existing Mageia installation.